Potassium Myristate

AKA: Potassium tetradecanoate, Nonsoul MK 1, Myristic acid, Potassium salt, Potassium n-tetradecanoate, Caswell No. 696A, Tetradecanoic acid, EPA Pesticide Chemical Code 079022

Synthetic

Cleanser

Emulsifier

Plant Oil

Clean

Potassium myristate

Formula

C14H27KO2

Mol. Weight

266.46

CAS #

13429-27-1

Form

Liquid

State

Liquid

Functions

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Cleansing Surfactant

Emulsifier

Removes Impurities

Mixes Oil & Water

Traditional Use

Potassium salt of myristic acid (a fatty acid), developed as a mild surfactant and emulsifier in modern cosmetic formulations.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR